Control arms provide a connection and pivot point between the vehicle’s wheels and the chassis. Also known as an A-arm, they provide a “hinge” that permits the wheels to move up and down.
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Control arms provide a connection and pivot point between the vehicle’s wheels and the chassis. Also known as an A-arm, they provide a “hinge” that permits the wheels to move up and down. An essential part of the suspension system, they are called upon to retain a vehicle’s alignment while resisting the forces encountered when accelerating, braking, cornering and suspending the vehicle’s weight.
Depending on suspension type (multi-link, MacPherson strut, double wishbone), control arms can be located on the front and rear suspension, in both the upper and lower position.
• Steering wheel vibration
• A wandering steering wheel
• Clunking or knocking noises
A worn or failed control arm bushing will not absorb the shock of road bumps, and the vehicle will continuously vibrate while driving
Failed bushings will also cause the inner metal bushing sleeves to rattle uncontrollably, creating annoying clunking sounds from the front wheels
Wheel alignment cannot be maintained, and uneven/excessive tire wear will result